<script src="/static/admin/js/jquery.min.js"></script>
<script>
    function over(){
        $('.nameDown').removeClass('hidden');
        $('.tt_top2NameLast').css('color','red');
    }
    function out(){
        $('.nameDown').addClass('hidden');
        $('.tt_top2NameLast').css('color','#000');
    }
</script>